Sustainable agricultural systems
A., Edwards C. (ed)
Sustainable agricultural systems edited bt Edwards C. A. [et al.] - Linton Blvd St. Lucie press 1990 - xvi, 696p
093573421X
Sustainable agriculture, Agricultural systems.
S494.5 / .S86 S86
Sustainable agricultural systems edited bt Edwards C. A. [et al.] - Linton Blvd St. Lucie press 1990 - xvi, 696p
093573421X
Sustainable agriculture, Agricultural systems.
S494.5 / .S86 S86